Washington, D.C.

$86+ Cheap flights from George Bush Intcntl (IAH) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — WAS
Jul 16 — Jul 231
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Houston George Bush Intcntl to Washington, D.C. are usually found in August or October, booked 35 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from George Bush Intcntl to Washington, D.C.

Cheapest flights from George Bush Intcntl to Washington, D.C.
Explore the most affordable flight options available from George Bush Intcntl to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.

This Frontier deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:23 pm
IAH
-
BWI
1 stop12h 31m
Frontier
Wed 8/124:44 pm
BWI
-
IAH
Nonstop3h 23m
Frontier
Deal found 6/13$145
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:53 am
IAH
-
BWI
1 stop6h 16m
Frontier
Wed 8/58:25 am
BWI
-
IAH
1 stop15h 14m
Frontier
Deal found 6/12$147
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:50 am
IAH
-
BWI
1 stop5h 44m
Frontier
Tue 7/149:37 pm
BWI
-
IAH
1 stop13h 26m
Frontier
Deal found 6/15$155
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:02 pm
IAH
-
BWI
1 stop10h 24m
Frontier
Wed 7/158:36 am
BWI
-
IAH
1 stop15h 03m
Frontier
Deal found 6/14$156
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:00 am
IAH
-
BWI
1 stop8h 34m
Frontier
Wed 8/58:25 am
BWI
-
IAH
1 stop15h 14m
Frontier
Deal found 6/12$159
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:02 pm
IAH
-
BWI
1 stop10h 24m
Frontier
Tue 8/119:37 pm
BWI
-
IAH
1 stop10h 43m
Frontier
Deal found 6/12$162
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 am
IAH
-
BWI
1 stop8h 03m
Frontier
Wed 9/29:32 pm
BWI
-
IAH
1 stop10h 47m
Frontier
Deal found 6/12$169
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:02 pm
IAH
-
BWI
1 stop10h 24m
Frontier
Tue 7/149:37 pm
BWI
-
IAH
1 stop10h 43m
Frontier
Deal found 6/15$171
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:18 am
IAH
-
BWI
1 stop8h 16m
Frontier
Tue 7/217:07 pm
BWI
-
IAH
1 stop13h 13m
Frontier
Deal found 6/11$172
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:50 am
IAH
-
BWI
1 stop5h 44m
Frontier
Sat 8/159:37 pm
BWI
-
IAH
1 stop10h 43m
Frontier
Deal found 6/13$174
This Kiwi.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:20 am
IAH
-
IAD
1 stop10h 18m
Frontier
Wed 7/811:11 am
IAD
-
IAH
1 stop8h 14m
Frontier
Deal found 6/14$206
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:55 am
IAH
-
IAD
1 stop6h 45m
Frontier
Mon 8/108:33 pm
IAD
-
IAH
1 stop11h 47m
Frontier
Deal found 6/11$207

Find flight deals from George Bush Intcntl to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$145
(Frontier)

One-way from

$86
(Kiwi.com)

Popular in

September

Cheapest in

August

Average price

$428

Good round-trip deal

$301 or less

Good one-way deal

$166 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Washington, D.C. (WAS) flights.
From Houston George Bush Intcntl to Washington, D.C. (WAS)
One-way flight from Houston George Bush Intcntl to Washington, D.C. (WAS)
High demand for flights, 14% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Houston George Bush Intcntl to Washington, D.C. (WAS).
Price to beat on a one-way flight from Houston George Bush Intcntl to Washington, D.C. (WAS).

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Fri 9/4

7:50 pm-11:59 pm

Nonstop3h 09m

Washington, D.C. Reagan-National

Mon 9/7

8:20 am-10:38 am

Nonstop3h 18m

$303

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Fri 10/30

11:50 am-6:26 pm

1 stop5h 36m

Washington, D.C. Dulles Intl

Mon 11/2

7:00 am-12:20 pm

1 stop6h 20m

$323

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 7/29

11:58 am-10:59 pm

1 stop10h 01m

Washington, D.C. Reagan-National

Sun 8/2

7:59 am-3:47 pm

1 stop8h 48m

$326

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Mon 7/27

11:58 am-10:59 pm

1 stop10h 01m

Washington, D.C. Reagan-National

Thu 8/6

6:21 am-10:59 am

1 stop5h 38m

$327

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 7/22

7:46 am-11:56 am

Nonstop3h 10m

Washington, D.C. Reagan-National

Tue 7/28

12:59 pm-3:18 pm

Nonstop3h 19m

$337

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 7/29

11:58 am-10:59 pm

1 stop10h 01m

Washington, D.C. Reagan-National

Sat 8/1

6:00 am-11:47 am

1 stop6h 47m

$340

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 10/14

6:05 pm-10:14 pm

Nonstop3h 09m

Washington, D.C. Reagan-National

Sat 10/17

12:57 pm-3:16 pm

Nonstop3h 19m

$348

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Wed 8/12

8:20 pm-12:30 am

Nonstop3h 10m

Washington, D.C. Dulles Intl

Sat 8/15

10:29 pm-12:45 am

Nonstop3h 16m

$348

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Mon 10/5

2:51 pm-7:02 pm

Nonstop3h 11m

Washington, D.C. Dulles Intl

Mon 10/12

6:15 am-8:27 am

Nonstop3h 12m

$359

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Wed 10/14

9:40 am-4:36 pm

1 stop5h 56m

Washington, D.C. Dulles Intl

Sun 10/18

6:10 am-10:39 am

1 stop5h 29m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Compare providers for flights from George Bush Intcntl to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Washington, D.C. in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from George Bush Intcntl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Washington, D.C.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Washington, D.C.?

Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Washington, D.C. (average of $38). Flying from Houston George Bush Intcntl Airport to Washington, D.C. in June is currently the most expensive (average of $188). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAH to WAS?

Find hourly flight availability from George Bush Intcntl to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2026.

A simple way to save on the total cost of your ticket is to fly from Houston George Bush Intcntl Airport to Washington, D.C. at noon. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the evening.

Weekly flight availability from Houston George Bush Intcntl Airport to Washington, D.C.

Explore weekly flight availability from George Bush Intcntl to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 16, 2026.

The most flights from IAH to WAS are scheduled on a Tuesday (40 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Washington, D.C.?

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Washington, D.C.?

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Washington, D.C.. Price data was last updated on June 13, 2026.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Washington, D.C. flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Houston George Bush Intcntl Airport to Washington, D.C. flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Washington, D.C. trip
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Emily Zemler

Emily Zemler

Expert on DCA

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated June 16, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andFrontier from Houston George Bush Intcntl Airport to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Houston George Bush Intcntl Airport to Washington, D.C.?

    A quick flight from Houston George Bush Intcntl Airport to Washington, D.C. can take about 3h 09m. United Airlines provides one of the quickest options available for as low as $303. The distance between Houston George Bush Intcntl Airport and Washington, D.C. is about 1206 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Washington, D.C. round-trip?

    Currently priced at $113, Frontier will fly you from Houston George Bush Intcntl Airport to Washington, D.C. and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $272 and $285, respectively. Frontier is 65% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Washington, D.C. one-way?

    One-way options have recently been found by users for as low as $55 on Frontier. Other airlines that offer cheap prices include American Airlines from $120 and United Airlines from $140 one-way.

  • What are the most popular routes from Houston George Bush Intcntl Airport to Washington, D.C.?

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Washington, D.C.?

    Consider ITA Airways (96%), Air China (94%) or Brussels Airlines (92%) when booking your flight. These represent the most reliable airlines when flying from Houston George Bush Intcntl Airport to Washington, D.C..

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Washington, D.C.?

    Looking at all options, your cheapest flight can be booked for $213. While the most popular route (Houston George Bush Intcntl - Baltimore/Washington) can be booked for $228 on average, our data indicates $1,225 when flying from Houston George Bush Intcntl Airport to Washington, D.C..

  • Can I find deals for flights from George Bush Intcntl to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Washington, D.C..

  • Can I find deals for business class flights from George Bush Intcntl to Washington, D.C.?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Washington, D.C.?

    Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Washington, D.C. (average of $38). Flying from Houston George Bush Intcntl Airport to Washington, D.C. in June is currently the most expensive (average of $188). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Laurel
Hanover
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for George Bush Intcntl to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from George Bush Intcntl to Washington, D.C.

Discover the top 3 airlines that operate flights from George Bush Intcntl to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$106Average$256FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$186Average$378FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$461FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.